Strong Gohberg–Markus–Boltyanski–Hadwiger conjecture

Let d1d\geq 1, and let KK be a convex body in Rd\mathbb R^d, meaning a compact convex set with non-empty interior. A translate of λK\lambda K, with 0<λ<10<\lambda<1, is a smaller positive homothetic copy of KK. Strong Gohberg–Markus–Boltyanski–Hadwiger conjecture. For every d1d\geq 1, there is a number 0<λd<10<\lambda_d<1 such that every convex body KK in Rd\mathbb R^d is covered by 2d2^d translates of λdK\lambda_d K.

This is called formally stronger because the homothety ratio depends only on the dimension, not on the convex body. The preceding theorem in the paper shows that this uniform statement is equivalent to the ordinary Gohberg–Markus–Boltyanski–Hadwiger conjecture, and the supplied text gives no resolution.

Sources & referencesView supporting material

Primary source

Marton Naszodi, “On the Constant of Homothety for Covering a Convex Set with Its Smaller Copies”, arXiv:0901.2652 (2009).

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